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132
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Media Type
132
texts
Availability
132
Always Available
Topics & Subjects
61
Astronomical instruments
47
Astronomical instruments and techniques
47
Astronomy. Astrophysics. Space research.Geodesy
46
NATURAL SCIENCES
13
Astronomy
9
Astronomie
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Collection
47
Universal Library
40
American Libraries
17
Canadian Libraries
11
krishnaswamy Favorites
9
California Digital Library
9
Defense Technical Information Archive
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Creator
9
defense technical information center
6
united states. war department
5
ambronn, leopold, 1854-1930
4
chauvenet, william, 1820-1870
4
chauvenet, william, 1820-1870. [from old catalog]
4
plaskett, j. s. (john stanley), 1865-1941
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Language
109
English
9
German
6
Latin
5
French
2
Chinese
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